public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
if (tag.Attributes.ContainsKey(key) == false)
tag.Attributes.Add(key, val);
else if (tag.Attributes.ContainsKey(ns + ":" + key) == false)
tag.Attributes.Add(ns + ":" + key, val);
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
if (subOutput != null)
subOutput.ParsedAttribute(tag, ns, key, val);
}
public Tag Element(TagNamespace ns, string tagName)
{
tagName = tagName.ToLowerInvariant();
foreach(var t in Children)
{
if (!ns.Equals(t.Namespace))
continue;
if (t.Name == tagName)
return t;
}
return null;
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
key = key.ToLowerInvariant();
if (tag.Attributes.ContainsKey(key))
return;
val = HttpUtility.HtmlDecode(val);
switch (key)
{
case "href":
if (!Uri.IsWellFormedUriString(val, UriKind.Absolute))
return;
tag.Attributes.Add("href", new Uri(val).ToString());
return;
case "src":
if (tag.Name != "img")
return;
if (!Uri.IsWellFormedUriString(val, UriKind.Absolute))
return;
tag.Attributes.Add("src", new Uri(val).ToString());
return;
case "alt":
case "align":
case "border":
case "cite":
case "coords":
case "datetime":
case "download":
case "for":
case "headers":
case "height":
case "high":
case "hreflang":
case "low":
case "media":
case "min":
case "max":
case "open":
case "optimum":
case "pubdate":
case "rel":
case "reversed":
case "shape":
case "span":
case "start":
case "summary":
case "title":
case "type":
case "value":
case "width":
case "wrap":
tag.Attributes.Add(key, val);
return;
case "target":
switch (val)
{
case "_self":
case "_blank":
//case "_parent":
case "_top":
tag.Attributes.Add(key, val);
return;
}
return;
case "cols":
case "colspan":
case "rows":
case "rowspan":
//Integer values
int iv;
if (int.TryParse(val, out iv))
tag.Attributes.Add(key, iv.ToString());
return;
}
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
if (string.IsNullOrWhiteSpace(val))
return;
output.ParsedAttribute(tag, ns, key, val);
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
key = key.ToLowerInvariant();
val = HttpUtility.HtmlDecode(val);
tag.Attributes.Add(key, val);
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
tag.Attributes.Add(key, val);
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
if(tag.Attributes.ContainsKey(key))
throw new ArgumentException("duplicate key: " + key + " = " + val);
tag.Attributes.Add(key, val);
}
public void ParsedAttribute(Tag tag, TagNamespace ns, string key, string val)
{
output.ParsedAttribute(tag, ns, key, val);
}